import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
import { mount } from '@vue/test-utils'
import { createI18n } from 'vue-i18n'
import { triggerOnShow } from '../../../__mocks__/dcloudio/uni-app'
import SubscriptionPage from '../index.vue'

const i18n = createI18n({
  legacy: false,
  locale: 'zh-CN',
  messages: {},
})

// Mock wx 全局对象
const mockWx = {
  cloud: {
    callFunction: vi.fn(),
  },
}

function mountPage() {
  return mount(SubscriptionPage, {
    global: {
      plugins: [i18n],
      stubs: {
        picker: { template: '<div><slot /></div>' },
      },
    },
  })
}

describe('PushSubscriptionPage', () => {
  beforeEach(() => {
    vi.stubGlobal('wx', mockWx)
    vi.clearAllMocks()
    // 默认设置订阅状态
    const store = (globalThis as any).__uniStorage__ ?? {}
    store['eis_push_subscription'] = JSON.stringify({
      pushTime: '07:00',
      pushEnabled: true,
      subscribedAt: '2026-08-13T00:00:00.000Z',
    })
    ;(globalThis as any).__uniStorage__ = store
  })

  afterEach(() => {
    vi.useRealTimers()
  })

  it('应显示订阅状态为"已开启"', async () => {
    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    expect(wrapper.find('.status-value').exists()).toBe(true)
    expect(wrapper.find('.status-value').text()).toContain('已开启')
  })

  it('应显示当前推送时间', async () => {
    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    expect(wrapper.find('.time-value').exists()).toBe(true)
    expect(wrapper.find('.time-value').text()).toBe('07:00')
  })

  it('点击"取消订阅"应弹出确认对话框', async () => {
    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    wrapper.find('.unsubscribe-btn').trigger('tap')
    expect(uni.showModal).toHaveBeenCalled()
    const callArgs = (uni.showModal as any).mock.calls[0][0]
    expect(callArgs.title).toContain('确认取消')
    expect(callArgs.content).toContain('取消后将不再收到每日运势推送')
  })

  it('确认取消订阅后应调用云函数并清除缓存', async () => {
    // 模拟 wx.cloud.callFunction 返回成功
    mockWx.cloud.callFunction.mockResolvedValue({
      result: { success: true },
    })

    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    // 触发取消订阅
    wrapper.find('.unsubscribe-btn').trigger('tap')

    // 模拟确认对话框
    const modalCall = (uni.showModal as any).mock.calls[0][0]
    modalCall.success({ confirm: true })

    // 等待异步操作完成（包括 setTimeout 1500ms）
    await new Promise((r) => setTimeout(r, 2000))
    await wrapper.vm.$nextTick()

    // 验证云函数被调用
    expect(mockWx.cloud.callFunction).toHaveBeenCalledWith({ name: 'unsubscribe' })
    // 验证本地缓存被清除
    expect(uni.removeStorageSync).toHaveBeenCalledWith('eis_push_subscription')
    // 验证提示
    expect(uni.showToast).toHaveBeenCalledWith({ title: '已取消订阅', icon: 'success' })
    // 验证返回上一页
    expect(uni.navigateBack).toHaveBeenCalled()
  })

  it('取消订阅失败时应提示"取消失败"', async () => {
    // 模拟云函数返回失败
    mockWx.cloud.callFunction.mockResolvedValue({
      result: { success: false, error: '未找到订阅记录' },
    })

    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    wrapper.find('.unsubscribe-btn').trigger('tap')
    const modalCall = (uni.showModal as any).mock.calls[0][0]
    modalCall.success({ confirm: true })

    await new Promise((r) => setTimeout(r, 50))
    await wrapper.vm.$nextTick()

    expect(uni.showToast).toHaveBeenCalledWith({ title: '取消失败，请重试', icon: 'none' })
  })

  it('保存推送时间应调用云函数并更新本地缓存', async () => {
    mockWx.cloud.callFunction.mockResolvedValue({
      result: { success: true },
    })

    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    // 修改时间
    await wrapper.vm.onTimeChange({ detail: { value: '08:00' } })
    await wrapper.vm.$nextTick()

    // 保存
    wrapper.find('.save-btn').trigger('tap')
    await new Promise((r) => setTimeout(r, 50))
    await wrapper.vm.$nextTick()

    // 验证云函数被调用
    expect(mockWx.cloud.callFunction).toHaveBeenCalledWith({
      name: 'updatePushTime',
      data: { pushTime: '08:00' },
    })
    // 验证提示
    expect(uni.showToast).toHaveBeenCalledWith({ title: '保存成功', icon: 'success' })
  })

  it('未订阅时，应使用默认时间 07:00', async () => {
    // 清空存储
    ;(globalThis as any).__uniStorage__ = {}

    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    expect(wrapper.vm.selectedTime).toBe('07:00')
  })

  it('时间选择应四舍五入到 30 分钟步长', async () => {
    const wrapper = mountPage()
    triggerOnShow()
    await wrapper.vm.$nextTick()

    // 07:08 → 07:00
    wrapper.vm.onTimeChange({ detail: { value: '07:08' } })
    expect(wrapper.vm.selectedTime).toBe('07:00')

    // 07:15 → 07:30
    wrapper.vm.onTimeChange({ detail: { value: '07:15' } })
    expect(wrapper.vm.selectedTime).toBe('07:30')

    // 07:45 → 08:00
    wrapper.vm.onTimeChange({ detail: { value: '07:45' } })
    expect(wrapper.vm.selectedTime).toBe('08:00')

    // 22:45 → 22:00（上限 22:00）
    wrapper.vm.onTimeChange({ detail: { value: '22:45' } })
    expect(wrapper.vm.selectedTime).toBe('22:00')

    // 05:30 → 06:30（下限 06:00，分钟 30 保留）
    wrapper.vm.onTimeChange({ detail: { value: '05:30' } })
    expect(wrapper.vm.selectedTime).toBe('06:30')
  })
})